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<h1 title="Uses of Package org.apache.commons.math3.util" class="title">Uses of Package<br>org.apache.commons.math3.util</h1>
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<caption><span>Packages that use <a href="../../../../../org/apache/commons/math3/util/package-summary.html">org.apache.commons.math3.util</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Package</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.commons.math3.analysis.integration">org.apache.commons.math3.analysis.integration</a></td>
<td class="colLast">
<div class="block">Numerical integration (quadrature) algorithms for univariate real functions.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.commons.math3.analysis.integration.gauss">org.apache.commons.math3.analysis.integration.gauss</a></td>
<td class="colLast">
<div class="block">Gauss family of quadrature schemes.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.commons.math3.distribution">org.apache.commons.math3.distribution</a></td>
<td class="colLast">
<div class="block">Implementations of common discrete and continuous distributions.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.commons.math3.exception">org.apache.commons.math3.exception</a></td>
<td class="colLast">
<div class="block">Specialized exceptions for algorithms errors.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.commons.math3.fitting.leastsquares">org.apache.commons.math3.fitting.leastsquares</a></td>
<td class="colLast">
<div class="block">This package provides algorithms that minimize the residuals
 between observations and model values.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.commons.math3.linear">org.apache.commons.math3.linear</a></td>
<td class="colLast">
<div class="block">Linear algebra support.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.commons.math3.ml.neuralnet">org.apache.commons.math3.ml.neuralnet</a></td>
<td class="colLast">
<div class="block">Neural networks.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.commons.math3.ode">org.apache.commons.math3.ode</a></td>
<td class="colLast">
<div class="block">
 This package provides classes to solve Ordinary Differential Equations problems.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.commons.math3.optim">org.apache.commons.math3.optim</a></td>
<td class="colLast">
<div class="block">
  Generally, optimizers are algorithms that will either
  <a href="../../../../../org/apache/commons/math3/optim/nonlinear/scalar/GoalType.html#MINIMIZE"><code>minimize</code></a> or
  <a href="../../../../../org/apache/commons/math3/optim/nonlinear/scalar/GoalType.html#MAXIMIZE"><code>maximize</code></a>
  a scalar function, called the
  <a href="../../../../../org/apache/commons/math3/optim/nonlinear/scalar/ObjectiveFunction.html" title="class in org.apache.commons.math3.optim.nonlinear.scalar"><code><em>objective
  function</em></code></a>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.commons.math3.optimization.direct">org.apache.commons.math3.optimization.direct</a></td>
<td class="colLast">
<div class="block">
 This package provides optimization algorithms that don't require derivatives.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.commons.math3.stat.descriptive">org.apache.commons.math3.stat.descriptive</a></td>
<td class="colLast">
<div class="block">Generic univariate summary statistic objects.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.commons.math3.stat.descriptive.moment">org.apache.commons.math3.stat.descriptive.moment</a></td>
<td class="colLast">
<div class="block">Summary statistics based on moments.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.commons.math3.stat.descriptive.rank">org.apache.commons.math3.stat.descriptive.rank</a></td>
<td class="colLast">
<div class="block">Summary statistics based on ranks.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.commons.math3.stat.descriptive.summary">org.apache.commons.math3.stat.descriptive.summary</a></td>
<td class="colLast">
<div class="block">Other summary statistics.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.commons.math3.util">org.apache.commons.math3.util</a></td>
<td class="colLast">
<div class="block">Convenience routines and common data structures used throughout the commons-math library.</div>
</td>
</tr>
</tbody>
</table>
</li>
<li class="blockList"><a name="org.apache.commons.math3.analysis.integration">
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<th class="colOne" scope="col">Class and Description</th>
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<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/Incrementor.html#org.apache.commons.math3.analysis.integration">Incrementor</a>
<div class="block"><strong>Deprecated.</strong>&nbsp;
<div class="block"><i>Use <a href="../../../../../org/apache/commons/math3/util/IntegerSequence.Incrementor.html" title="class in org.apache.commons.math3.util"><code>IntegerSequence.Incrementor</code></a> instead.</i></div>
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<th class="colOne" scope="col">Class and Description</th>
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<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/Pair.html#org.apache.commons.math3.analysis.integration.gauss">Pair</a>
<div class="block">Generic pair.</div>
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<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/MathArrays.OrderDirection.html#org.apache.commons.math3.exception">MathArrays.OrderDirection</a>
<div class="block">Specification of ordering direction.</div>
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<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/Incrementor.html#org.apache.commons.math3.fitting.leastsquares">Incrementor</a>
<div class="block"><strong>Deprecated.</strong>&nbsp;
<div class="block"><i>Use <a href="../../../../../org/apache/commons/math3/util/IntegerSequence.Incrementor.html" title="class in org.apache.commons.math3.util"><code>IntegerSequence.Incrementor</code></a> instead.</i></div>
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<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/Pair.html#org.apache.commons.math3.fitting.leastsquares">Pair</a>
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<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/IterationEvent.html#org.apache.commons.math3.linear">IterationEvent</a>
<div class="block">The root class from which all events occurring while running an
 <a href="../../../../../org/apache/commons/math3/util/IterationManager.html" title="class in org.apache.commons.math3.util"><code>IterationManager</code></a> should be derived.</div>
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<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/IterationManager.html#org.apache.commons.math3.linear">IterationManager</a>
<div class="block">This abstract class provides a general framework for managing iterative
 algorithms.</div>
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<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/OpenIntToDoubleHashMap.Iterator.html#org.apache.commons.math3.linear">OpenIntToDoubleHashMap.Iterator</a>
<div class="block">Iterator class for the map.</div>
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<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/Pair.html#org.apache.commons.math3.ml.neuralnet">Pair</a>
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<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/Incrementor.html#org.apache.commons.math3.ode">Incrementor</a>
<div class="block"><strong>Deprecated.</strong>&nbsp;
<div class="block"><i>Use <a href="../../../../../org/apache/commons/math3/util/IntegerSequence.Incrementor.html" title="class in org.apache.commons.math3.util"><code>IntegerSequence.Incrementor</code></a> instead.</i></div>
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<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/IntegerSequence.Incrementor.html#org.apache.commons.math3.ode">IntegerSequence.Incrementor</a>
<div class="block">Utility that increments a counter until a maximum is reached, at
 which point, the instance will by default throw a
 <a href="../../../../../org/apache/commons/math3/exception/MaxCountExceededException.html" title="class in org.apache.commons.math3.exception"><code>MaxCountExceededException</code></a>.</div>
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<th class="colOne" scope="col">Class and Description</th>
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<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/Incrementor.html#org.apache.commons.math3.optim">Incrementor</a>
<div class="block"><strong>Deprecated.</strong>&nbsp;
<div class="block"><i>Use <a href="../../../../../org/apache/commons/math3/util/IntegerSequence.Incrementor.html" title="class in org.apache.commons.math3.util"><code>IntegerSequence.Incrementor</code></a> instead.</i></div>
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<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/Pair.html#org.apache.commons.math3.optim">Pair</a>
<div class="block">Generic pair.</div>
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<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/Incrementor.html#org.apache.commons.math3.optimization.direct">Incrementor</a>
<div class="block"><strong>Deprecated.</strong>&nbsp;
<div class="block"><i>Use <a href="../../../../../org/apache/commons/math3/util/IntegerSequence.Incrementor.html" title="class in org.apache.commons.math3.util"><code>IntegerSequence.Incrementor</code></a> instead.</i></div>
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<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/MathArrays.Function.html#org.apache.commons.math3.stat.descriptive">MathArrays.Function</a>
<div class="block">Real-valued function that operate on an array or a part of it.</div>
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<div class="block">Real-valued function that operate on an array or a part of it.</div>
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<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/KthSelector.html#org.apache.commons.math3.stat.descriptive.rank">KthSelector</a>
<div class="block">A Simple K<sup>th</sup> selector implementation to pick up the
 K<sup>th</sup> ordered element from a work array containing the input
 numbers.</div>
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<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/MathArrays.Function.html#org.apache.commons.math3.stat.descriptive.rank">MathArrays.Function</a>
<div class="block">Real-valued function that operate on an array or a part of it.</div>
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<div class="block">A strategy to pick a pivoting index of an array for doing partitioning.</div>
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<div class="block">Real-valued function that operate on an array or a part of it.</div>
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<caption><span>Classes in <a href="../../../../../org/apache/commons/math3/util/package-summary.html">org.apache.commons.math3.util</a> used by <a href="../../../../../org/apache/commons/math3/util/package-summary.html">org.apache.commons.math3.util</a></span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colOne" scope="col">Class and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/BigReal.html#org.apache.commons.math3.util">BigReal</a>
<div class="block">Arbitrary precision decimal number.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/BigRealField.html#org.apache.commons.math3.util">BigRealField</a>
<div class="block">Representation of real numbers with arbitrary precision field.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/Decimal64.html#org.apache.commons.math3.util">Decimal64</a>
<div class="block">This class wraps a <code>double</code> value in an object.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/Decimal64Field.html#org.apache.commons.math3.util">Decimal64Field</a>
<div class="block">The field of double precision floating-point numbers.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/DoubleArray.html#org.apache.commons.math3.util">DoubleArray</a>
<div class="block">Provides a standard interface for double arrays.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/Incrementor.html#org.apache.commons.math3.util">Incrementor</a>
<div class="block"><strong>Deprecated.</strong>&nbsp;
<div class="block"><i>Use <a href="../../../../../org/apache/commons/math3/util/IntegerSequence.Incrementor.html" title="class in org.apache.commons.math3.util"><code>IntegerSequence.Incrementor</code></a> instead.</i></div>
</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/Incrementor.MaxCountExceededCallback.html#org.apache.commons.math3.util">Incrementor.MaxCountExceededCallback</a>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Defines a method to be called at counter exhaustion.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/IntegerSequence.Incrementor.html#org.apache.commons.math3.util">IntegerSequence.Incrementor</a>
<div class="block">Utility that increments a counter until a maximum is reached, at
 which point, the instance will by default throw a
 <a href="../../../../../org/apache/commons/math3/exception/MaxCountExceededException.html" title="class in org.apache.commons.math3.exception"><code>MaxCountExceededException</code></a>.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/IntegerSequence.Incrementor.MaxCountExceededCallback.html#org.apache.commons.math3.util">IntegerSequence.Incrementor.MaxCountExceededCallback</a>
<div class="block">Defines a method to be called at counter exhaustion.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/IntegerSequence.Range.html#org.apache.commons.math3.util">IntegerSequence.Range</a>
<div class="block">Generates a sequence of integers.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/IterationEvent.html#org.apache.commons.math3.util">IterationEvent</a>
<div class="block">The root class from which all events occurring while running an
 <a href="../../../../../org/apache/commons/math3/util/IterationManager.html" title="class in org.apache.commons.math3.util"><code>IterationManager</code></a> should be derived.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/IterationListener.html#org.apache.commons.math3.util">IterationListener</a>
<div class="block">The listener interface for receiving events occurring in an iterative
 algorithm.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/MathArrays.Function.html#org.apache.commons.math3.util">MathArrays.Function</a>
<div class="block">Real-valued function that operate on an array or a part of it.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/MathArrays.OrderDirection.html#org.apache.commons.math3.util">MathArrays.OrderDirection</a>
<div class="block">Specification of ordering direction.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/MathArrays.Position.html#org.apache.commons.math3.util">MathArrays.Position</a>
<div class="block">Specification for indicating that some operation applies
 before or after a given index.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/MultidimensionalCounter.Iterator.html#org.apache.commons.math3.util">MultidimensionalCounter.Iterator</a>
<div class="block">Perform iteration over the multidimensional counter.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/NumberTransformer.html#org.apache.commons.math3.util">NumberTransformer</a>
<div class="block">Subclasses implementing this interface can transform Objects to doubles.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/OpenIntToDoubleHashMap.html#org.apache.commons.math3.util">OpenIntToDoubleHashMap</a>
<div class="block">Open addressed map from int to double.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/OpenIntToDoubleHashMap.Iterator.html#org.apache.commons.math3.util">OpenIntToDoubleHashMap.Iterator</a>
<div class="block">Iterator class for the map.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/OpenIntToFieldHashMap.html#org.apache.commons.math3.util">OpenIntToFieldHashMap</a>
<div class="block">Open addressed map from int to FieldElement.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/OpenIntToFieldHashMap.Iterator.html#org.apache.commons.math3.util">OpenIntToFieldHashMap.Iterator</a>
<div class="block">Iterator class for the map.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/Pair.html#org.apache.commons.math3.util">Pair</a>
<div class="block">Generic pair.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/PivotingStrategyInterface.html#org.apache.commons.math3.util">PivotingStrategyInterface</a>
<div class="block">A strategy to pick a pivoting index of an array for doing partitioning.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/ResizableDoubleArray.html#org.apache.commons.math3.util">ResizableDoubleArray</a>
<div class="block">
 A variable length <a href="../../../../../org/apache/commons/math3/util/DoubleArray.html" title="interface in org.apache.commons.math3.util"><code>DoubleArray</code></a> implementation that automatically
 handles expanding and contracting its internal storage array as elements
 are added and removed.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../../org/apache/commons/math3/util/class-use/ResizableDoubleArray.ExpansionMode.html#org.apache.commons.math3.util">ResizableDoubleArray.ExpansionMode</a>
<div class="block">Specification of expansion algorithm.</div>
</td>
</tr>
</tbody>
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